Make it 5 bends. Figure your effective dihedral angle as explained at http://www.rc-soar.com/tech/spiral_eda.htm Make it about 9 degrees. If you want a really heavy-duty analysis, get Blaine Rawdon's design spreadsheet from [EMAIL PROTECTED] and figure out the right combo of effective dihedral plus tail volume. --- Danny C Williams <[EMAIL PROTECTED]> wrote: > I am building a Sapphire as a RES ship, and I was looking for some > help > on how much diheredal to put into the wings outer panels, and if I > should > make it a three bend wing or a five bend wing. > Any insight or input will be greatly appreciated. > > > Dr. Dan Williams > Broomfield, Co > RMSA/PPSS > > Bad roads bring good people and good roads bring bad people. > RCSE-List facilities provided by Model Airplane News. Send > "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] __________________________________________________ Do You Yahoo!? Get personalized email addresses from Yahoo! Mail - only $35 a year! http://personal.mail.yahoo.com/ RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]